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The number of people suffering from dementia will double by 2030

Alexey Kryvenko, medical expert
Last reviewed: 01.07.2025

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13 April 2012, 10:41

According to the WHO's disappointing forecasts, by 2030 the number of people suffering from dementia worldwide will almost double, reaching 65.7 million people.

And by 2050, this figure will increase almost threefold compared to the current figure (35.6 million).

According to estimates by the World Health Organization and the International Alzheimer's Federation, today the treatment and care of dementia patients costs the world $604 billion a year.

Dementia can be caused by a variety of brain diseases that lead to cognitive impairment, memory, thinking, behavior, and the ability to perform daily activities. Alzheimer's disease is the most common cause of dementia, accounting for around 70% of all cases of dementia, according to experts.

More than fifty percent of feebleminded patients (58%) live in low- and middle-income countries, but by 2050 this figure will rise to 70%. Experts believe that more effective diagnostics are needed, since even in rich countries only 20-50% of cases of dementia are detected. Only because people have begun to live longer, every eighth person over the age of 65 and every second person over the age of 85 are at risk of developing dementia.

Traditionally, dementia affects people over 65 years of age. Although age is considered the main driving force behind the development of Alzheimer's disease, its development is greatly influenced by other factors - excess weight, high levels of bad cholesterol, diabetes.

Research into Alzheimer's disease and other forms of dementia has been going on for decades, but it has still not been possible to create a drug that would stop the development of dementia or reverse it.

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